WorksheetsPower Electronics Lab
Total questions: 10
Worksheet time: 3mins
1) In a BJT
A. The base region is sandwiched between emitter and collector
B. The collector is sandwiched between base and emitter
C. The emitter region is sandwiched between base and collector
D. None of the above
2) A transistor has …………………
A. one pn junction
B. two pn junctions
C. three pn junctions
D. four pn junctions
3) In a npn transistor, ……………. are the minority carriers
A. free electrons
B. holes
C. donor ions
D.acceptor ions
4) A Triac has three terminals viz ………………
A. Drain, source, gate
B. Two main terminal and a gate terminal
C. Cathode, anode, gate
D. None of the above
5) A DIAC has three terminals viz ………………
A. Drain, source, gate
B. Two main terminal
C. Cathode, anode, gate
D. None of the above
6) The device that does not have the gate terminal is ……………….
A. Triac
B. FET
C. SCR
D. Diac
7) A UJT is sometimes called …………. diode
A. Low resistance
B. High resistance
C. Single-base
D, Double-base
8) The UJT may be used as ……………….
A. Am amplifier
B. A sawtooth generator
C. A rectifier
D. None of the above
9) An SCR has three terminals viz ……………
A. Cathode, anode, gate
B. Anode, cathode, grid
C. Anode, cathode, drain
D.None of the above
10) PUT stands for
A. Programmable Unijunction Transistor
B. Programmable Universal Transistor
C. Pulse Unijunction Transistor
D. Pulse Universal Transistor
